1561223806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1110401}}^1$

素因数の和:1110459

約数の個数: 16

約数和(自身を含む): 2531716560

約数和(自身を除く): 970492754

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 1110401, 2220802, 21097619, 41084837, 42195238, 82169674, 780611903, 1561223806]

約数ペア:

[(1, 1561223806), (2, 780611903), (19, 82169674), (37, 42195238), (38, 41084837), (74, 21097619), (703, 2220802), (1406, 1110401)]